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61,005 resultsShowing papers similar to Microbial solutions for plastic pollutants: Caprolactam, Polyvinyl alcohol, and surgical face masks
ClearBiodegradation of Polypropylene By Pseudomonas Aeruginosaisolated From Wastewater Associated Soil; A Potential Method To Eliminate The Plastic Pollution To Save Ecosystem
Researchers isolated Pseudomonas aeruginosa bacteria from wastewater-associated soil and tested its ability to biodegrade polypropylene — the plastic used in many surgical masks and disposable products. The bacteria showed measurable plastic-degrading activity under lab conditions. This research is relevant to developing microbial solutions for degrading pandemic-era disposable plastic waste.
Environmental Hazard of Polypropylene from Disposable Face Masks Linked to the COVID-19 Pandemic and Its Possible Mitigation Techniques through a Green Approach
Researchers assessed the biodegradation of disposable face masks made from polypropylene using Pseudomonas aeruginosa and found partial degradation was achievable, highlighting both the environmental hazard of pandemic-era PPE waste and potential microbial remediation strategies.
Microbial strategies for degradation of microplastics generated from COVID-19 healthcare waste
Researchers reviewed microbial strategies for degrading microplastics generated from COVID-19 healthcare waste such as masks, gloves, and personal protective equipment. The study discusses how improper disposal of pandemic-related plastic waste creates microplastic pollution and explores the potential of microorganisms to break down these polymeric materials as a bioremediation approach.
Isolates of Polypropylene-degrading Bacteria from a Landfill
Researchers isolated and characterized polypropylene-degrading bacteria from a landfill site, identifying microbial strains capable of breaking down this widely used plastic, including the polypropylene found in disposable medical face masks that increased in use during the COVID-19 pandemic. The isolates demonstrated measurable degradation activity on polypropylene substrates, contributing to the search for biodegradation-based plastic waste management solutions.
Microbial Allies in Plastic Degradation: Specific bacterial genera as universal plastic-degraders in various environments
Researchers identified specific bacterial genera capable of degrading multiple types of plastic across different environments including landfill soil, sewage sludge, and river water. They found that certain bacteria, such as Pseudomonas and Bacillus species, consistently appeared as effective plastic degraders regardless of the environment. The study suggests that these universal plastic-degrading bacteria could be valuable candidates for developing bioremediation strategies to address plastic pollution.
Exploring Microorganisms from Plastic-Polluted Sites: Unveiling Plastic Degradation and PHA Production Potential
Researchers screened microorganisms from plastic-polluted sites for their ability to break down conventional plastics and produce a biodegradable alternative called PHA. They identified several bacterial strains capable of degrading synthetic polymers and simultaneously producing this bio-based plastic from waste materials. The study highlights the potential for using naturally adapted microbes from contaminated environments as tools for both plastic cleanup and sustainable material production.
Identifikasi Bakteri Pendegradasi Polipropilen Pada Limbah Masker Dari Tpa Piyungan
This Indonesian study identified bacteria capable of degrading polypropylene in disposable face mask waste collected from a landfill. Bacteria that can break down synthetic polymers offer a potential biological tool for reducing microplastic formation from the large volumes of mask waste generated during the COVID-19 pandemic.
Sustainable Removal of Nanoplastics: Exploiting the Lipolytic Activity of Pseudomonas aeruginosa O6 Isolated from Mariout Wetland, Egypt
Egyptian researchers isolated Pseudomonas aeruginosa O6 from coastal wetland sediments and demonstrated that its lipolytic enzymes can biodegrade nanoplastics in vitro, presenting a promising microorganism for bioremediation of plastic-contaminated coastal environments.
Enrichment and isolation of micro plastic degrading microorganisms from various natural sources
Researchers isolated microplastic-degrading microorganisms from soil and water samples using mineral salt media with polyethylene and polypropylene as sole carbon sources, successfully identifying four distinct microbial isolates capable of degrading these polymers.
Distribution and biodegradation analysis of polyvinyl chloride microplastic by indigenous bacteria isolated from Supit Urang Landfill, Malang, Indonesia
Scientists isolated bacteria from an Indonesian landfill and tested their ability to break down polyvinyl chloride (PVC) microplastics, using molecular and bioinformatic approaches to identify the best degraders. The findings point toward bioremediation as a potential tool for reducing persistent PVC plastic waste, one of the more toxic and durable plastic types in the environment.
Isolation of a soil bacterium for remediation of polyurethane and low-density polyethylene: a promising tool towards sustainable cleanup of the environment.
A soil bacterium tentatively classified in the Pseudomonas genus was found to biodegrade both polyurethane and low-density polyethylene plastics. The discovery of a single bacterial strain capable of degrading two different types of plastic is a step toward developing practical microbial tools for plastic waste remediation.
Microbial degradation of contaminants of emerging concern: metabolic, genetic and omics insights for enhanced bioremediation
This review covers how microorganisms have evolved the ability to break down emerging pollutants including plasticizers, pharmaceuticals, and pesticides, turning them into less harmful substances. Understanding the genes, enzymes, and metabolic pathways these microbes use could lead to cost-effective, eco-friendly cleanup methods for removing persistent contaminants -- including plastic-derived chemicals -- from the environment before they reach people.
Microbial–Enzymatic Combinatorial Approach to Capture and Release Microplastics
Researchers developed a microbial-enzymatic approach using evolved Pseudomonas aeruginosa to aggregate microplastics via biofilm formation for removal from polluted waters, then employed protease treatment to release captured plastics for downstream recovery.
Microbial Consortia in the Remediation of Single-Use Waste: The Case of Face Masks
Researchers evaluated hydrocarbonoclastic microbial consortia sourced from the Port of Veracruz and Gulf of Mexico for their ability to biodegrade microplastics derived from triple-layered polypropylene face masks in bubble column bioreactors.
Biodegradación de plásticos farmacéuticos por bacterias nativas: evaluación experimental de la eficiencia y el potencial ambiental
Researchers evaluated the biodegradation potential of native bacterial strains -- Pseudomonas aeruginosa, Ideonella sakaiensis, and Bacillus subtilis -- isolated from landfill soil and wastewater sludge, against pharmaceutical plastic packaging materials including multilayer blister packs. The study found that these strains showed selective degradation capacity for polyethylene (PE) and other pharmaceutical-grade plastics, demonstrating potential for bioremediation of persistent plastic waste.
Comparison between discarded facemask and common plastic waste on microbial colonization and physiochemical properties during aging in seawater
Researchers found that discarded surgical facemasks in seawater hosted more diverse microbial communities than conventional plastic waste, with higher degradation-related enzyme activity and more pronounced physicochemical changes during aging, raising concerns about their environmental impact.
Bioprospecting for polyesterase activity relevant for PET degradation in marine Enterobacterales isolates
Researchers screened marine Enterobacterales isolates for polyesterase activity capable of degrading PET plastic, identifying bacterial strains from marine environments as candidates for bioremediation strategies targeting one of the world's most problematic plastic pollutants.
Potency of Face Mask-Degrading Bacteria Isolated from Parangtritis Beach, Yogyakarta, Indonesia
Researchers isolated and characterised face mask-degrading bacteria from discarded masks at Parangtritis Beach in Yogyakarta, Indonesia, using Mineral Salt Media containing black duckbill, blue surgical, and white KF94 mask materials as selective substrates. The study aimed to identify microbial agents capable of degrading COVID-19 pandemic-related mask waste that had become a significant environmental contaminant at coastal sites.
Challenges and opportunities in bioremediation of micro-nano plastics: A review.
This review examines biological approaches to removing micro- and nanoplastics from the environment, focusing on microbial degradation and bioremediation strategies. While bioremediation holds promise, challenges remain in identifying microbes capable of degrading common plastic types and scaling these processes for practical environmental cleanup.
Removal of microplastic for a sustainable strategy by microbial biodegradation
Researchers reviewed which microorganisms — including Bacillus, Pseudomonas, and several fungi and algae species — show the greatest ability to break down microplastics, and highlighted how genetic engineering and combining multiple degradation methods could make biological plastic cleanup viable at larger scales.
A concept for the biotechnological minimizing of emerging plastics, micro- and nano-plastics pollutants from the environment: A review.
This review examined biotechnological strategies for remediating plastics, micro-, and nano-plastics from the environment, cataloguing microbial and enzymatic degradation approaches, discussing their mechanistic basis, and proposing an integrated biotechnology framework for minimizing plastic pollution across terrestrial and aquatic systems.
Microbial degradation of polypropylene microplastics and concomitant polyhydroxybutyrate production: An integrated bioremediation approach with metagenomic insights
Researchers isolated microbial consortia capable of degrading polypropylene microplastics, achieving weight losses of up to 17.8% after 30 days of incubation. The most effective consortium also produced polyhydroxybutyrate, a biodegradable plastic alternative, while breaking down the polypropylene. Metagenomic analysis revealed abundant carbohydrate-active enzymes and oxidation pathways, suggesting an integrated bioremediation approach that simultaneously degrades plastic waste and generates a useful bioplastic.
Microplastics in coastal sediments of Pakistan: Site-specific patterns and biodegradation by native bacterial isolates
Researchers surveyed microplastic contamination along Pakistan's 850-kilometer coastline and identified seven native bacterial species capable of breaking down common plastics like PET, PVC, and polyethylene — with Pseudomonas azotoformans degrading nearly 38% of polyethylene by weight — pointing toward local microbial solutions for plastic pollution in under-studied regions.
The Effectiveness of Polyhydroxyalkanoate (PHA) Extraction Methods in Gram-Negative Pseudomonas putida U
Researchers evaluated different physical and chemical methods for extracting polyhydroxyalkanoates (PHAs), a type of bioplastic, from the bacterium Pseudomonas putida. They compared traditional solvent-based approaches with more sustainable alternatives to find cost-effective extraction techniques. The study contributes to making bioplastic production more commercially viable as an alternative to petroleum-based plastics.